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Finding the Fourth Proportional to 293,175.76, 439,795.48 and 93,449.20

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Solution

The fourth proportional to 293,175.76, 439,795.48 and 93,449.20 is: 140,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,175.76 : 439,795.48 = 93,449.20 : x
  2. Step 2: Convert to fraction form
    293,175.76/439,795.48 = 93,449.20/x
  3. Step 3: Cross multiply
    293,175.76x = 439,795.48 × 93,449.20
  4. Step 4: Simplify right side
    293,175.76x = 41,098,535,769.62
  5. Step 5: Solve for x
    x = 41,098,535,769.62/293,175.76
  6. Step 6: Final answer
    x = 140,183.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.